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View Poll Results: Can LED's do 1 pound or better each harvest? If so, how many watts are needed?
No 56 9.18%
Yes, 250 watts 44 7.21%
Yes, 400 watts 140 22.95%
Yes, 600 watts 218 35.74%
Yes, 1K and up 152 24.92%
Voters: 610. You may not vote on this poll

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Old 09-18-2011, 11:47 PM #31
SOTF420
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trolling aside why does a fancy lite bright toy type light set up that kids in the 80s played with have such a high price tag? making blue n red sort of weak bulbs is uber tough?
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lets stop talking about the obvious pluses
This is why you are trolling here brother you are completely & totally lost here on this subject I'm afraid lol

Best bet is probably to go find a thread about HPS and have at it, much love.
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Old 09-19-2011, 12:40 AM #32
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u like to hang on words, hanging on price tags is more my thing, 2000 for a pound is bad business but its pretty cool that theese overpriced light brights can yeild a pound, if i could get 89 percent off the sticker price id def get one over a hps there very cool n practical cost aside.
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Old 09-19-2011, 02:37 AM #33
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: 2000 for a pound is bad business
I heard you can actually use these LED lights for more than one crop...
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Old 09-19-2011, 04:00 AM #34
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i think one of the true pluses of these lights is you can set up a garden in about 15 minutes,i could put a piece of panda plastic up over a closet door and have a usable grow space that quick.with the 205w unit i have i could easily supply myself,but i dont think they are quite there for commercial growers yet,unless they have an extreme need for stealth.but even in a commercial setting they would still be useful for veg,mine absolutely rocks in veg,makes nice tight bushy plants..
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Old 09-19-2011, 04:09 AM #35
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i was away from the puter this weekend. lots of opinions in this thread. i appreciate everyone's opinion.

first off, the lowest total wattage of LED's able to produce 1 lb. is 360 watts. two different grows... so for the four people who voted 400 watts, i have to officially call you the winners in the poll.

then, two more grows at 600 watts and one at 720 watts. all grows used ONLY leds and produced over 1 lb.

here are the documented results.

first off, Mr. X and EVO90 V3 lights. according to the manufacturer these lights only put out 70 watts, so this dude grew a pound with 280 real watts 600 grams, 2.14 gpw

https://www.icmag.com/ic/showthread.php?t=215147

results in a different thread. https://www.icmag.com/ic/showpost.ph...1&postcount=95









Addicted2Grow has three threads here at ICMAG where he clears the 1 pound mark. with 360 watts, 600 watts and 720 watts. his 360 in reality is around 354 and so on... 118 watts out of 120 watt units.

first grow, 360 watts, 468 grams, 1.3 gpw

https://www.icmag.com/ic/showthread.php?t=185111








another grow from Addicted2Grow, 600 watts, 642 grams, 1.07 gpw

https://www.icmag.com/ic/showthread.php?t=208988







and one final grow from Addicted2Grow, 720 watts, 690 grams, 0.96 gpw

https://www.icmag.com/ic/showthread.php?t=196980








finally, a cannabis dot com member, stra8outtaweed using 600 watts getting 528 grams for a 0.88 gpw from 4 Welthink WEX-C150's

EDIT: just bought a kill a watt and measured my wex, only 109 watts, brings this grow up to 1.21 gpw

google "LED GROW SHOW" for his thread...










and another

Jacky_Brown's got 1890 grams for a .9 gpw rating using 2.1K of LED's.

More PowerLED's... Models 120 and 180

https://www.icmag.com/ic/showthread....42#post4691542






Last edited by GP73LPC; 11-22-2011 at 03:08 AM.. Reason: added another grow, corrected yield on Mr X grow
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Old 09-19-2011, 04:22 AM #36
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its no doubt some impressive impressive shit.
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Old 09-19-2011, 04:11 PM #37
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its no doubt some impressive impressive shit.
it is impressive...

i hope to do so well with my LEDs.
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Old 09-19-2011, 05:01 PM #38
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omfg wow!
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Old 09-19-2011, 08:21 PM #39
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i voted 250w but that is for diy using best leds available running medium current without pulsing or any special tricks because i know the leds puts out more photons in total/W and that at optimized spectral power distribution, add the fact that there is no loss from output to canopy by anything like a reflector (which is a big disadvantage for hid and others).. why not?
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Old 09-19-2011, 08:26 PM #40
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i think 250 watts is capable with the right conditions and the best LEDs.

Mr. X was only 30 watts above that with 280...
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